11.   To glance up and note the two narrow planks where workers install insulation makes this acrophobe shiver.

12.   To guard against damage, workers are installing an impressive array of devices to detect any movement of the tower or the earth around it.

13.   Workers install a steel column that will support the tree with the help of cables.

14.   Workers installed speakers outside the church on Monday.

15.   Workers install insulation Monday around ductwork in a second floor office in the damaged section of the Pentagon.

16.   Workers will install cables along the length of the cracking beams and, like orthodontists straightening teeth, will tighten the bands to hold the beams straight.

17.   Workers installed ads on the subway walls in Kuala Lumpur, Malaysia in August.

18.   A jackhammer cleared rocks, workers installed pipes, and a young couple painted the floor of their wooden house.

19.   A few streets over, however, bright blue, shimmering solar panels that construction workers are installing on steep roofs are almost blinding.

20.   At the Iraqi Industry Ministry building, workers installed a larger-than-life portrait of President Saddam Hussein in a gray business suit.